For the second time in history, a man made object has ventured into interstellar space. NASA's planetary probe, Voyager 2 is now more than 11 billion miles from Earth. It burst through the Sun's protective bubble, called the heliopause on November 5.

It is where the sun's hot solar wind meets the dark space between other stars, known as the interstellar medium.

Voyager 2 and its sister craft, Voyager 1 were launched in 1977, and each made spectacular flybys of Jupiter and Saturn and their many moons. Voyager 2 continued on to Uranus and Neptune and provided ...

JFK proposes US-Soviet mission to moon

Just weeks before his assassination, President John F. Kennedy addressed the United Nations with a proposal to cooperate with the Soviet Union to go to the moon. His bold vision came at the height of the superpower cold war and was extremely controversial at the time. Meaningful international cooperation in outer space between the US and Russia would not happen until decades later, with development of the International Space Station.